Table 1 Diet Quality Score (DQS) construction
Individual component | Score |
|---|---|
Healthfulness (0–8 points) | |
Fat % energy 15–30% = 1; No = 0 | |
SFA % energy <10% = 1; No = 0 | |
PUFA % energy 6–10% = 1; No = 0 | |
Sugars % energy <10% = 1; No = 0 | |
Protein % energy 10–15% = 1; No = 0 | |
Cholesterol intake <300 mg/d = 1; No = 0 | |
Fibre intake >25 g/d = 1; No = 0 | |
Fruit and vegetable intake ≥400 g/d = 1; No = 0 | |
Micronutrient adequacy (0–7 points) | |
Vitamin A adequacy | |
Vitamin E adequacy | |
Vitamin C adequacy | |
Thiamin adequacy | |
Riboflavin adequacy | |
Niacin adequacy | |
Vitamin B6 adequacy | Micronutrient intake is ≥100% of recommended daily intake = 0.5; Micronutrient intake <100% of RDI = 0 |
Vitamin B12 adequacy | |
Pantothenic acid adequacy | |
Folate adequacy | |
Magnesium adequacy | |
Calcium adequacy | |
Iron adequacy | |
Zinc adequacy | |
Diet Quality Score (0–15 points) | 1st quartile (0–8) = 0 |
2nd quartile (8.5–10) = 1 | |
3rd quartile (10.5–11) = 2 | |
4th quartile (11.5–15) = 3 |